Earbud for a communications headset



FIG. 1 is a front-top-right perspective view of an earbud for a communications headset showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof; the left side view is a mirror image;

FIG. 5 is a front side view thereof; and,

FIG. 6 is a back side view thereof. 

The ornamental design for an earbud for a communications headset, as shown and described. 